/* * QString data type. * * Copyright (C) 2009 Red Hat Inc. * * Authors: * Luiz Capitulino <lcapitulino@redhat.com> * * This work is licensed under the terms of the GNU GPL, version 2. See * the COPYING file in the top-level directory. */ #include "qobject.h" #include "qstring.h" #include "qemu-common.h" static void qstring_destroy_obj(QObject *obj); static const QType qstring_type = { .code = QTYPE_QSTRING, .destroy = qstring_destroy_obj, }; /** * qstring_from_str(): Create a new QString from a regular C string * * Return strong reference. */ QString *qstring_from_str(const char *str) { QString *qstring; qstring = qemu_malloc(sizeof(*qstring)); qstring->string = qemu_strdup(str); QOBJECT_INIT(qstring, &qstring_type); return qstring; } /** * qobject_to_qstring(): Convert a QObject to a QString */ QString *qobject_to_qstring(const QObject *obj) { if (qobject_type(obj) != QTYPE_QSTRING) return NULL; return container_of(obj, QString, base); } /** * qstring_get_str(): Return a pointer to the stored string * * NOTE: Should be used with caution, if the object is deallocated * this pointer becomes invalid. */ const char *qstring_get_str(const QString *qstring) { return qstring->string; } /** * qstring_destroy_obj(): Free all memory allocated by a QString * object */ static void qstring_destroy_obj(QObject *obj) { QString *qs; assert(obj != NULL); qs = qobject_to_qstring(obj); qemu_free(qs->string); qemu_free(qs); }